98664397 has 12 divisors (see below), whose sum is σ = 112464480. Its totient is φ = 86278608.

The previous prime is 98664347. The next prime is 98664407. The reversal of 98664397 is 79346689.

It is not a de Polignac number, because 98664397 - 2²³ = 90275789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98664337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12153 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (9372040).

Almost surely, 2^98664397 is an apocalyptic number.

It is an amenable number.

98664397 is a deficient number, since it is larger than the sum of its proper divisors (13800083).

98664397 is a wasteful number, since it uses less digits than its factorization.

98664397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30772 (or 30759 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 98664397 is about 9932.9953689710. The cubic root of 98664397 is about 462.0831746829.

The spelling of 98664397 in words is "ninety-eight million, six hundred sixty-four thousand, three hundred ninety-seven".